xref: /netbsd/sys/arch/arm/footbridge/isa/ds1687reg.h (revision bf9ec67e)
1 /*	$NetBSD: ds1687reg.h,v 1.1 2002/02/10 12:26:01 chris Exp $	*/
2 
3 /*
4  * Copyright (c) 1998 Mark Brinicombe.
5  * Copyright (c) 1998 Causality Limited.
6  * All rights reserved.
7  *
8  * Written by Mark Brinicombe, Causality Limited
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by Mark Brinicombe
21  *	for the NetBSD Project.
22  * 4. The name of the company nor the name of the author may be used to
23  *    endorse or promote products derived from this software without specific
24  *    prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY CAUASLITY LIMITED ``AS IS'' AND ANY EXPRESS
27  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
28  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
29  * DISCLAIMED. IN NO EVENT SHALL CAUSALITY LIMITED OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
32  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  */
38 
39 #define RTC_ADDR		0x72
40 #define RTC_ADDR_REG		0x00
41 #define RTC_DATA_REG		0x01
42 
43 #define	RTC_SECONDS		0x00
44 #define	RTC_SECONDS_ALARM	0x01
45 #define RTC_MINUTES		0x02
46 #define RTC_MINUTES_ALARM	0x03
47 #define	RTC_HOURS		0x04
48 #define	RTC_HOURS_ALARM		0x05
49 #define	RTC_DAYOFWEEK		0x06
50 #define	RTC_DAYOFMONTH		0x07
51 #define	RTC_MONTH		0x08
52 #define RTC_YEAR		0x09
53 
54 #define RTC_REG_A		0x0a
55 #define  RTC_REG_A_UIP		0x80	/* Update In Progress */
56 #define  RTC_REG_A_DV2		0x40	/* Countdown CHain */
57 #define  RTC_REG_A_DV1		0x20	/* Oscillator Enable */
58 #define  RTC_REG_A_DV0		0x10	/* Bank Select */
59 #define  RTC_REG_A_BANK_MASK	RTC_REG_A_DV0
60 #define  RTC_REG_A_BANK1	RTC_REG_A_DV0
61 #define  RTC_REG_A_BANK0	0x00
62 #define  RTC_REG_A_RS_MASK	0x0f	/* Rate select mask */
63 #define  RTC_REG_A_RS_NONE	0x00
64 #define  RTC_REG_A_RS_256HZ_1	0x01
65 #define  RTC_REG_A_RS_128HZ_1	0x02
66 #define  RTC_REG_A_RS_8192HZ	0x03
67 #define  RTC_REG_A_RS_4096HZ	0x04
68 #define  RTC_REG_A_RS_2048HZ	0x05
69 #define  RTC_REG_A_RS_1024HZ	0x06
70 #define  RTC_REG_A_RS_512HZ	0x07
71 #define  RTC_REG_A_RS_256HZ	0x08
72 #define  RTC_REG_A_RS_128HZ	0x09
73 #define  RTC_REG_A_RS_64HZ	0x0A
74 #define  RTC_REG_A_RS_32HZ	0x0B
75 #define  RTC_REG_A_RS_16HZ	0x0C
76 #define  RTC_REG_A_RS_8HZ	0x0D
77 #define  RTC_REG_A_RS_4HZ	0x0E
78 #define  RTC_REG_A_RS_2HZ	0x0F
79 
80 #define RTC_REG_B		0x0b
81 #define  RTC_REG_B_SET		0x80	/* Inhibit update */
82 #define  RTC_REG_B_PIE		0x40	/* Periodic Interrupt Enable */
83 #define  RTC_REG_B_AIE		0x20	/* Alarm Interrupt Enable */
84 #define  RTC_REG_B_UIE		0x10	/* Updated Ended Interrupt Enable */
85 #define  RTC_REG_B_SQWE		0x08	/* Square Wave Enable */
86 #define  RTC_REG_B_DM		0x04	/* Data Mode */
87 #define  RTC_REG_B_BINARY	RTC_REG_B_DM
88 #define  RTC_REG_B_BCD		0
89 #define  RTC_REG_B_24_12	0x02	/* Hour format */
90 #define  RTC_REG_B_24_HOUR	RTC_REG_B_24_12
91 #define  RTC_REG_B_12_HOUR	0
92 #define  RTC_REG_B_DSE		0x01	/* Daylight Savings Enable */
93 
94 #define RTC_REG_C		0x0c
95 #define  RTC_REG_C_IRQF		0x80	/* Interrupt Request Flag */
96 #define  RTC_REG_C_PF		0x40	/* Periodic Interrupt Flag */
97 #define  RTC_REG_C_AF		0x20	/* Alarm Interrupt Flag */
98 #define  RTC_REG_C_UF		0x10	/* Update Ended Flags */
99 
100 #define RTC_REG_D		0x0d
101 #define  RTC_REG_D_VRT		0x80	/* Valid RAM and Time */
102 
103 #define RTC_PC_RAM_START	0x0e
104 #define RTC_PC_RAM_SIZE		50
105 
106 #define RTC_BANK0_RAM_START	0x40
107 #define RTC_BANK0_RAM_SIZE	0x40
108 
109 #define RTC_MODEL		0x40
110 #define RTC_SERIAL_1		0x41
111 #define RTC_SERIAL_2		0x42
112 #define RTC_SERIAL_3		0x43
113 #define RTC_SERIAL_4		0x44
114 #define RTC_SERIAL_5		0x45
115 #define RTC_SERIAL_6		0x46
116 #define RTC_CRC			0x47
117 #define RTC_CENTURY		0x48
118 #define RTC_DATE_ALARM		0x49
119 #define RTC_REG_4A		0x4a
120 #define  RTC_REG_4A_VRT2	0x80
121 #define  RTC_REG_4A_INCR	0x40
122 #define  RTC_REG_4A_PAB		0x08
123 #define  RTC_REG_4A_RF		0x04
124 #define RTC_REG_4B		0x4b
125 #define RTC_EXT_RAM_ADDRESS	0x50
126 #define RTC_EXT_RAM_DATA	0x53
127 #define RTC_EXT_RAM_START	0x00
128 #define RTC_EXT_RAM_SIZE	0x80
129